Update models.py

adding license for inception v3 models

Author: Sentdex

models.py

@@ -1,4 +1,18 @@
-# alexnet.py
+'''
+Copyright 2015 Google Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
 
 import tflearn
 from tflearn.layers.conv import conv_2d, max_pool_2d,avg_pool_2d, conv_3d, max_pool_3d, avg_pool_3d